Ideographic: A person 亻 making an offering with both hands 共; 共 also provides the pronunciationRadical:

meaning for gōng:

  • - to provide
  • - to supply

meaning for gòng:

  • - sacrificial offering
  • - to confess

fùmǔ父母
wèile为了
gòng
shàngxué上学
xīnkǔ辛苦
le
yíbèizi一辈子

My parents worked hard their whole lives to put me through school.